Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for mysql_82-shop failed: Name or service not known in /www/wwwroot/suoyiren-shop/system/library/db/mysqli.php:8 Stack trace: #0 /www/wwwroot/suoyiren-shop/system/library/db/mysqli.php(8): mysqli->__construct() #1 /www/wwwroot/suoyiren-shop/system/library/db.php(32): DB\MySQLi->__construct() #2 /www/wwwroot/suoyiren-shop/system/framework.php(80): DB->__construct() #3 /www/wwwroot/suoyiren-shop/system/startup.php(104): require_once('...') #4 /www/wwwroot/suoyiren-shop/index.php(31): start() #5 {main} thrown in /www/wwwroot/suoyiren-shop/system/library/db/mysqli.php on line 8